Communication Unit - Furuno FELCOM 250 Installation Manual

2.3

Communication Unit

Telephone FC755D1 and Facsimile FAX-2820
Connect the cable from the telephone or facsimile to TEL1, 2, 3 or 4 port of the communication
unit. The modular connector can be connected directly to the TEL1 or TEL2 as shown in the fig-
ure below.
To connect to the TEL3 or TEL4, use the modular jack box (optional supply) or the modular jack
set (optional supply). Connect TTYCS-1 (Japan Industry Standard cable, or equivalent, local sup-
ply) between the modular jack box and communication unit. Attach two crimp-on lugs (FV1.25-3
red, supplied with the modular jack box) to the modular jack box side of the above cable
Communication unit
FB-2000
TEL
3 4
1 2
#4
Cable with
modular plug
L-BAND OUT ANT
#1
FMC connector
Twisted
pair cable
TTYCS-1
See below for
cable fabrication.
Crimp-on
lug
Telephone
FC755D1
Facsimile
FAX-2820
RS-232C NMEA ALARM
LAN TEL
3 4
1 2 3 4 1 2
TEL3,4
No. Signal
1 TEL4 TIP
2 TEL4 RING
3 TEL3 TIP
4 TEL3 RING
Cable with
modular plug
Modular
jack box
MJ-2S
24
2. CONNECTIONS
1 2
12-24 VDC
12-6A
3 GND
Telephone
FC755D1
Facsimile
FAX-2820